diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/EntityMaintenance/EntityMaintenance.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/EntityMaintenance/EntityMaintenance.cs
index 7a9482756..27f35e459 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/EntityMaintenance/EntityMaintenance.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/EntityMaintenance/EntityMaintenance.cs
@@ -327,12 +327,6 @@ namespace SqlSugar
                                 column.DataType = "varchar(4000)";
                             }
                         }
-                        else if (column.UnderType == typeof(TimeSpan) && column.DataType == null)
-                        {
-                            column.DataType = "time";
-                            column.Length = 0;
-                            column.DecimalDigits = 0;
-                        }
                         else if (typeof(Nvarchar2PropertyConvert).Equals(sugarColumn.SqlParameterDbType)&&column.DataType==null) 
                         {
                             column.DataType = "nvarchar2";
@@ -385,6 +379,12 @@ namespace SqlSugar
                 {
                     column.DataType = "date";
                 }
+                if (column.DataType == null&&column.UnderType == typeof(TimeSpan) )
+                {
+                    column.DataType = "time";
+                    column.Length = 0;
+                    column.DecimalDigits = 0;
+                }
                 result.Columns.Add(column);
             }
         }